Discuss September 2008

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264 participants
315 discussions

Ethernet Channel Bonding Clarification is Needed
by Balaji 16 Sep '08

16 Sep '08

Dear All, I have configured Cluster Suite with 2 servers Server 1 : 192.168.13.110 IP Address and hostname is primary Server 2 : 192.168.13.179 IP Address and hostname is secondary Floating : 192.168.13.83 IP Address (Assumed by currently active server) I have configured Ethernet Channel Bonding in Each Cluster Nodes and Channel Bonding Configuration Details are 1) Created bonding devices in "/etc/modprobe.conf" file alias bond0 bonding options bonding miimon=100 mode=1 2) Edit the "/etc/sysconfig/network-scripts/ifcfg-eth0 and ifcfg-eth1" configuration DEVICE=eth0 USERCTL= no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none DEVICE=eth1 USERCTL= no ONBOOT=yes MASTER=bond0 SLAVE=yes BOOTPROTO=none 3) Created a network script for the bonding device is "/etc/sysconfig/network-scripts/ifcfg-bond0" DEVICE=bond0 USERCTL=no ONBOOT=yes NETMASK=255.255.255.0 GATEWAY=192.168.13.1 IPADDR=192.168.13.110 4) Reboot the system for the changes to take effect. After i am rebooted both the server then cluster node becomes simplex and Services are started on both the nodes The cluster output in primary node Member Status: Quorate Member Name Status ----------- --------- primary Online, Local, rgmanager secondary Offline Service Name Owner (Last) State ------------ ------------ -------- Service primary started The cluster output in secondary node Member Status: Quorate Member Name Status ----------- --------- primary Offline secondary Online, Local, rgmanager Service Name Owner (Last) State ------------ -------------- -------- Service secondary started Before Ethernet Channel Bonding cluster services are active in one node and other nodes acts as passive node. But after Ethernet Channel Bonding cluster services are active on both the nodes I don't know what is the problem and is their any configuration is required in cluster configuration file and cman is working only with eth0 interface Can some one throw light on this peculiar problem Regards -S.Balaji

7 12

script for updating from 4.6 to 5.2 i386
by Jerry Geis 15 Sep '08

15 Sep '08

Is there a script available for upgrade from 4 to 5? I have tried it on one TEST computer following what I thought were the instructions and after the update I still had 2.6.9 kernel not the 2.6.18. I looked in grub.conf and there were no 2.6.18 kernels. Just wonder if someone has automated this process? Thanks, Jerry

3 2

Looking for linphone
by Robert Moskowitz 15 Sep '08

15 Sep '08

Where might I find an rpm for Centos?

8 17

Problems with writing Dual Layer DVD
by Chris Geldenhuis 15 Sep '08

15 Sep '08

Hi, I am running Centos 4 (fully updated on this box). I removed the old DVD writer (/dev/hdc) and installed a new LG GH20 "Internal Super Multi DVD Rewriter" with a SATA interface - this shows up as /dev/scd0. When I insert a pre-recorded DVD autorun mounts it and displays the contents without any hassles. It appears to me that the required kernel modules are loaded - as copied below from lsmod output. sata_nv 18629 0 libata 111261 1 sata_nv sd_mod 17217 0 scsi_mod 125261 3 sr_mod,libata,sd_mod I am using Verbatim DVD-RDL blanks. When I try to write a pre-recorded iso to the DVD I get the following error message: [user@test]$ growisofs -dvd-compat -Z /dev/dvdwriter=<pre-recorded>.iso :-( /dev/dvdwriter: media is not recognized as recordable DVD: 10015 I have tried to do this as root with the same result. /dev/dvdwriter is a link to /dev/scd0 and has full read/write/execute permissions. Output of growisofs -version: * growisofs by <appro(a)fy.chalmers.se>, version 5.21, front-ending to mkisofs: mkisofs 2.01 (i686-pc-linux-gnu) Any suggestions will be welcome - if any further information is required I will do my best to supply it. I have Googled with the error message but only get reports of this problem and no solutions. TIA ChrisG

22 82

SeaMonkey RPM for CentOS 5.2 (32 bit) is in which Yum Repository?
by Lanny Marcus 15 Sep '08

15 Sep '08

I'm curious about SeaMonkey (especially the HTML Composer). Which Yum Repository has the RPM for CentOS 5.2 (32 bit). TIA! [root@dell2400 ~]# yum install seamonkey Loading "priorities" plugin Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile * google: dl.google.com * rpmforge: fr2.rpmfind.net * extras: mirror.cs.vt.edu * updates: mirror.newnanutilities.org * base: mirror.cs.vt.edu * addons: styx.biochem.wfubmc.edu * adobe-linux-i386: linuxdownload.adobe.com 294 packages excluded due to repository priority protections Setting up Install Process Parsing package install arguments No package seamonkey available. Nothing to do [root@dell2400 ~]#

3 9

replacing CPU fan
by Craig White 15 Sep '08

15 Sep '08

I've got a remote system where I think I need to replace the CPU fan. in the output of dmidecode, I get... Processor Information Socket Designation: CPU 1 Type: Central Processor Family: <OUT OF SPEC> Manufacturer: Intel ID: 47 0F 00 00 FF FB EB BF Version: Intel(R) Pentium(R) D CPU 2.66GHz Voltage: 1.4 V External Clock: 133 MHz Max Speed: 2666 MHz Current Speed: 2666 MHz is this enough to tell me what kind of fan I need to get? It's obvious it's a Pentium IV. What other command/what other command might I be able to run to parse in order to get information so I get the right CPU fan? Craig

3 2

question on sending mail with 5.2
by Jerry Geis 15 Sep '08

15 Sep '08

I made a little file with a From:, To: and body. I execute the command cat file.txt | sendmail -t -O MinQueueAge=1m thinking that the message would try every minute to send instead of the default 30m. (if the initial attempt failed of course). This doesnt seem to have any effect? In the event I have an important email and I want it try perhaps every minute (1minute) to send the email how do I accomplish this from the sendmail command line? Thanks, jerry

5 7

Directory Server question - enable access by host
by Kwan Lowe 15 Sep '08

15 Sep '08

Hello All: I am in the process of migrating from OpenLDAP to Centos Directory Server. I'm very pleased with the new LDAP and think it's one of those killer apps that will guarantee Linux a place in data centers :D... So far I've gotten the main things working: 1) Host based access via AuthorizedHost 2) Service based access via AuthorizedService 3) AIX/Linux <-> LDAP 4) PosixGroup support The one thing I would like is to have group based host access control. E.g., I would like to define a new LDAP group (say, DBA-Production) that includes a bunch of host entries. When needed, I could add a user to the DBA-Production group and automatically give him/her access to the list of defined hosts. Anyone have suggestions on how to approach this? Thanks, Kwan

1 0

Re: [CentOS] Perhaps slightly OT - Lots of spurious webdav requests.
by Friedrich Clausen 15 Sep '08

15 Sep '08

On Mon, Sep 15, 2008 at 10:58 AM, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > --On Monday, September 15, 2008 10:05 AM +0200 Friedrich Clausen > <fred(a)derf.nl> wrote: > >> I have most assuredly not told windows to try and use a Web folder on >> the CentOS file server called "/share1", just the CIFS share. > > Apparently Windows will search multiple "providers" for the share string you > pass, and the successful results are then sorted by provider priority. Ah yes, I believe you are right. Thanks for the info! Regards, Fred. > >> From <http://support.microsoft.com/kb/832161> > >> When an application tries to open a file that exists on a network, the >> I/O manager passes the request to a system component that is named the >> Multiple UNC Provider (MUP). MUP sits logically above all the >> redirectors. When a network path is passed to MUP, it polls all the >> registered redirectors to determine whether they understand the path. The >> redirectors in turn contact the server to establish if the path is valid >> for the specific protocol. If the server can satisfy the connection, the >> redirector will return success back the MUP. If not, the redirector >> returns a failure. All the future file I/O requests for this file are >> passed to the redirector that accepted the path. If more than one >> redirector accepts the path, MUP picks the one with the highest priority, >> as defined in the registry. > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos >

1 0

Perhaps slightly OT - Lots of spurious webdav requests.
by Friedrich Clausen 15 Sep '08

15 Sep '08

Hello All, I am running a CentOS 4.6 file server for a small office network and I am getting a lot of strange webdav requests from one of the Windows workstations - I have not configured Webdav on the Windows host (hereafter "windows-laptop") in question. Some details - I have configured a Samba share called (say) "share1" on the CentOS server and the windows-laptop connects to this share using CIFS, nothing unusual there. But, for some reason, windows-laptop also tried to access a Webdav folder by the same name ("share1") - lots of log entries such as the following (it seems to try every two minutes): 10.11.1.95 - - [14/Sep/2008:04:10:32 -0400] "OPTIONS / HTTP/1.1" 200 - "-" "Microsoft-WebDAV-MiniRedir/5.1.2600" 10.11.1.95 - - [14/Sep/2008:04:10:32 -0400] "PROPFIND /share1 HTTP/1.1" 405 312 "-" "Microsoft-WebDAV-MiniRedir/5.1.2600" I have most assuredly not told windows to try and use a Web folder on the CentOS file server called "/share1", just the CIFS share. My conclusions - * Windows is trying to be clever and automatically map CIFS shares to a Web folder. * Malware is trying to access a Webfolder by same name as CIFS share. Any hints from the list would be much appreciated! Thanks, Fred.

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Discuss September 2008